* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* =====================================================================
- * Version: $Id: interface.c,v 1.14.4.15 2006/02/04 18:28:16 hjlipp Exp $
- * =====================================================================
*/
#include "gigaset.h"
{
int cmd = *arg;
- dbg(DEBUG_IF, "%u: if_lock (%d)", cs->minor_index, cmd);
+ gig_dbg(DEBUG_IF, "%u: if_lock (%d)", cs->minor_index, cmd);
if (cmd > 1)
return -EINVAL;
}
if (!cmd && atomic_read(&cs->mstate) == MS_LOCKED
- && atomic_read(&cs->connected)) {
+ && cs->connected) {
cs->ops->set_modem_ctrl(cs, 0, TIOCM_DTR|TIOCM_RTS);
cs->ops->baud_rate(cs, B115200);
cs->ops->set_line_ctrl(cs, CS8);
cs->waiting = 1;
if (!gigaset_add_event(cs, &cs->at_state, EV_IF_LOCK,
- NULL, cmd, NULL)) {
+ NULL, cmd, NULL)) {
cs->waiting = 0;
return -ENOMEM;
}
- dbg(DEBUG_CMD, "scheduling IF_LOCK");
+ gig_dbg(DEBUG_CMD, "scheduling IF_LOCK");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
static const unsigned compat[4] = GIG_COMPAT;
unsigned cmd = arg[0];
- dbg(DEBUG_IF, "%u: if_version (%d)", cs->minor_index, cmd);
+ gig_dbg(DEBUG_IF, "%u: if_version (%d)", cs->minor_index, cmd);
switch (cmd) {
case GIGVER_DRIVER:
case GIGVER_FWBASE:
cs->waiting = 1;
if (!gigaset_add_event(cs, &cs->at_state, EV_IF_VER,
- NULL, 0, arg)) {
+ NULL, 0, arg)) {
cs->waiting = 0;
return -ENOMEM;
}
- dbg(DEBUG_CMD, "scheduling IF_VER");
+ gig_dbg(DEBUG_CMD, "scheduling IF_VER");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
static int if_config(struct cardstate *cs, int *arg)
{
- dbg(DEBUG_IF, "%u: if_config (%d)", cs->minor_index, *arg);
+ gig_dbg(DEBUG_IF, "%u: if_config (%d)", cs->minor_index, *arg);
if (*arg != 1)
return -EINVAL;
if (atomic_read(&cs->mstate) != MS_LOCKED)
return -EBUSY;
+ if (!cs->connected) {
+ err("not connected!");
+ return -ENODEV;
+ }
+
*arg = 0;
return gigaset_enterconfigmode(cs);
}
static int if_open(struct tty_struct *tty, struct file *filp);
static void if_close(struct tty_struct *tty, struct file *filp);
static int if_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg);
+ unsigned int cmd, unsigned long arg);
static int if_write_room(struct tty_struct *tty);
static int if_chars_in_buffer(struct tty_struct *tty);
static void if_throttle(struct tty_struct *tty);
static void if_set_termios(struct tty_struct *tty, struct termios *old);
static int if_tiocmget(struct tty_struct *tty, struct file *file);
static int if_tiocmset(struct tty_struct *tty, struct file *file,
- unsigned int set, unsigned int clear);
+ unsigned int set, unsigned int clear);
static int if_write(struct tty_struct *tty,
- const unsigned char *buf, int count);
+ const unsigned char *buf, int count);
static struct tty_operations if_ops = {
.open = if_open,
struct cardstate *cs;
unsigned long flags;
- dbg(DEBUG_IF, "%d+%d: %s()", tty->driver->minor_start, tty->index,
- __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%d+%d: %s()",
+ tty->driver->minor_start, tty->index, __func__);
tty->driver_data = NULL;
if (!cs)
return -ENODEV;
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
tty->driver_data = cs;
cs->tty = tty;
spin_unlock_irqrestore(&cs->lock, flags);
tty->low_latency = 1; //FIXME test
- //FIXME
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return 0;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- down(&cs->sem);
+ mutex_lock(&cs->mutex);
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else {
if (!--cs->open_count) {
spin_lock_irqsave(&cs->lock, flags);
cs->tty = NULL;
spin_unlock_irqrestore(&cs->lock, flags);
- //FIXME
}
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
}
static int if_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct cardstate *cs;
int retval = -ENODEV;
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __FUNCTION__, cmd);
+ gig_dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __func__, cmd);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else {
retval = 0;
switch (cmd) {
break;
case GIGASET_BRKCHARS:
//FIXME test if MS_LOCKED
- gigaset_dbg_buffer(DEBUG_IF, "GIGASET_BRKCHARS",
- 6, (const unsigned char *) arg, 1);
- if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't communicate with unplugged device");
+ if (!cs->connected) {
+ gig_dbg(DEBUG_ANY,
+ "can't communicate with unplugged device");
retval = -ENODEV;
break;
}
retval = copy_from_user(&buf,
- (const unsigned char __user *) arg, 6)
- ? -EFAULT : 0;
- if (retval >= 0)
+ (const unsigned char __user *) arg, 6)
+ ? -EFAULT : 0;
+ if (retval >= 0) {
+ gigaset_dbg_buffer(DEBUG_IF, "GIGASET_BRKCHARS",
+ 6, (const unsigned char *) arg);
retval = cs->ops->brkchars(cs, buf);
+ }
break;
case GIGASET_VERSION:
- retval = copy_from_user(version, (unsigned __user *) arg,
- sizeof version) ? -EFAULT : 0;
+ retval = copy_from_user(version,
+ (unsigned __user *) arg, sizeof version)
+ ? -EFAULT : 0;
if (retval >= 0)
retval = if_version(cs, version);
if (retval >= 0)
- retval = copy_to_user((unsigned __user *) arg, version,
- sizeof version)
- ? -EFAULT : 0;
+ retval = copy_to_user((unsigned __user *) arg,
+ version, sizeof version)
+ ? -EFAULT : 0;
break;
- default:
- dbg(DEBUG_ANY, "%s: arg not supported - 0x%04x",
- __FUNCTION__, cmd);
+ default:
+ gig_dbg(DEBUG_ANY, "%s: arg not supported - 0x%04x",
+ __func__, cmd);
retval = -ENOIOCTLCMD;
}
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
// FIXME read from device?
retval = cs->control_state & (TIOCM_RTS|TIOCM_DTR);
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
static int if_tiocmset(struct tty_struct *tty, struct file *file,
- unsigned int set, unsigned int clear)
+ unsigned int set, unsigned int clear)
{
struct cardstate *cs;
int retval;
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF,
- "%u: %s(0x%x, 0x%x)", cs->minor_index, __FUNCTION__, set, clear);
+ gig_dbg(DEBUG_IF, "%u: %s(0x%x, 0x%x)",
+ cs->minor_index, __func__, set, clear);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
- if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't communicate with unplugged device");
+ if (!cs->connected) {
+ gig_dbg(DEBUG_ANY, "can't communicate with unplugged device");
retval = -ENODEV;
} else {
mc = (cs->control_state | set) & ~clear & (TIOCM_RTS|TIOCM_DTR);
cs->control_state = mc;
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else if (atomic_read(&cs->mstate) != MS_LOCKED) {
warn("can't write to unlocked device");
retval = -EBUSY;
- } else if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't write to unplugged device");
+ } else if (!cs->connected) {
+ gig_dbg(DEBUG_ANY, "can't write to unplugged device");
retval = -EBUSY; //FIXME
} else {
retval = cs->ops->write_cmd(cs, buf, count,
- &cs->if_wake_tasklet);
+ &cs->if_wake_tasklet);
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else if (atomic_read(&cs->mstate) != MS_LOCKED) {
warn("can't write to unlocked device");
retval = -EBUSY; //FIXME
- } else if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't write to unplugged device");
+ } else if (!cs->connected) {
+ gig_dbg(DEBUG_ANY, "can't write to unplugged device");
retval = -EBUSY; //FIXME
} else
retval = cs->ops->write_room(cs);
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return -ENODEV;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- if (down_interruptible(&cs->sem))
+ if (mutex_lock_interruptible(&cs->mutex))
return -ERESTARTSYS; // FIXME -EINTR?
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else if (atomic_read(&cs->mstate) != MS_LOCKED) {
warn("can't write to unlocked device");
retval = -EBUSY;
- } else if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't write to unplugged device");
+ } else if (!cs->connected) {
+ gig_dbg(DEBUG_ANY, "can't write to unplugged device");
retval = -EBUSY; //FIXME
} else
retval = cs->ops->chars_in_buffer(cs);
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
return retval;
}
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- down(&cs->sem);
+ mutex_lock(&cs->mutex);
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else {
//FIXME
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
}
static void if_unthrottle(struct tty_struct *tty)
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- down(&cs->sem);
+ mutex_lock(&cs->mutex);
if (!cs->open_count)
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
else {
//FIXME
}
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
}
static void if_set_termios(struct tty_struct *tty, struct termios *old)
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
- err("cs==NULL in %s", __FUNCTION__);
+ err("cs==NULL in %s", __func__);
return;
}
- dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __FUNCTION__);
+ gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- down(&cs->sem);
+ mutex_lock(&cs->mutex);
if (!cs->open_count) {
- warn("%s: device not opened", __FUNCTION__);
+ warn("%s: device not opened", __func__);
goto out;
}
- if (!atomic_read(&cs->connected)) {
- dbg(DEBUG_ANY, "can't communicate with unplugged device");
+ if (!cs->connected) {
+ gig_dbg(DEBUG_ANY, "can't communicate with unplugged device");
goto out;
}
iflag = tty->termios->c_iflag;
cflag = tty->termios->c_cflag;
old_cflag = old ? old->c_cflag : cflag; //FIXME?
- dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x", cs->minor_index,
- iflag, cflag, old_cflag);
+ gig_dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x",
+ cs->minor_index, iflag, cflag, old_cflag);
/* get a local copy of the current port settings */
control_state = cs->control_state;
* Premature optimization is the root of all evil.
*/
- /* reassert DTR and (maybe) RTS on transition from B0 */
+ /* reassert DTR and (maybe) RTS on transition from B0 */
if ((old_cflag & CBAUD) == B0) {
new_state = control_state | TIOCM_DTR;
/* don't set RTS if using hardware flow control */
if (!(old_cflag & CRTSCTS))
new_state |= TIOCM_RTS;
- dbg(DEBUG_IF, "%u: from B0 - set DTR%s", cs->minor_index,
- (new_state & TIOCM_RTS) ? " only" : "/RTS");
+ gig_dbg(DEBUG_IF, "%u: from B0 - set DTR%s",
+ cs->minor_index,
+ (new_state & TIOCM_RTS) ? " only" : "/RTS");
cs->ops->set_modem_ctrl(cs, control_state, new_state);
control_state = new_state;
}
if ((cflag & CBAUD) == B0) {
/* Drop RTS and DTR */
- dbg(DEBUG_IF, "%u: to B0 - drop DTR/RTS", cs->minor_index);
+ gig_dbg(DEBUG_IF, "%u: to B0 - drop DTR/RTS", cs->minor_index);
new_state = control_state & ~(TIOCM_DTR | TIOCM_RTS);
cs->ops->set_modem_ctrl(cs, control_state, new_state);
control_state = new_state;
* Just do what we have seen with SniffUSB on Win98.
*/
/* Drop DTR/RTS if no flow control otherwise assert */
- dbg(DEBUG_IF, "%u: control_state %x", cs->minor_index, control_state);
+ gig_dbg(DEBUG_IF, "%u: control_state %x",
+ cs->minor_index, control_state);
new_state = control_state;
if ((iflag & IXOFF) || (iflag & IXON) || (cflag & CRTSCTS))
new_state |= TIOCM_DTR | TIOCM_RTS;
else
new_state &= ~(TIOCM_DTR | TIOCM_RTS);
if (new_state != control_state) {
- dbg(DEBUG_IF, "%u: new_state %x", cs->minor_index, new_state);
- gigaset_set_modem_ctrl(cs, control_state, new_state); // FIXME: mct_u232.c sets the old state here. is this a bug?
+ gig_dbg(DEBUG_IF, "%u: new_state %x",
+ cs->minor_index, new_state);
+ gigaset_set_modem_ctrl(cs, control_state, new_state);
control_state = new_state;
}
#endif
cs->control_state = control_state;
out:
- up(&cs->sem);
+ mutex_unlock(&cs->mutex);
}
if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
tty->ldisc.write_wakeup) {
- dbg(DEBUG_IF, "write wakeup call");
+ gig_dbg(DEBUG_IF, "write wakeup call");
tty->ldisc.write_wakeup(tty);
}
}
void gigaset_if_receive(struct cardstate *cs,
- unsigned char *buffer, size_t len)
+ unsigned char *buffer, size_t len)
{
unsigned long flags;
struct tty_struct *tty;
spin_lock_irqsave(&cs->lock, flags);
if ((tty = cs->tty) == NULL)
- dbg(DEBUG_ANY, "receive on closed device");
+ gig_dbg(DEBUG_ANY, "receive on closed device");
else {
tty_buffer_request_room(tty, len);
tty_insert_flip_string(tty, buffer, len);
/* gigaset_if_initdriver
* Initialize tty interface.
* parameters:
- * drv Driver
- * procname Name of the driver (e.g. for /proc/tty/drivers)
- * devname Name of the device files (prefix without minor number)
- * devfsname Devfs name of the device files without %d
+ * drv Driver
+ * procname Name of the driver (e.g. for /proc/tty/drivers)
+ * devname Name of the device files (prefix without minor number)
+ * devfsname Devfs name of the device files without %d
*/
void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
- const char *devname, const char *devfsname)
+ const char *devname, const char *devfsname)
{
unsigned minors = drv->minors;
int ret;
warn("failed to register tty driver (error %d)", ret);
goto error;
}
- dbg(DEBUG_IF, "tty driver initialized");
+ gig_dbg(DEBUG_IF, "tty driver initialized");
drv->have_tty = 1;
return;
git.openpandora.org / pandora-kernel.git / blobdiff